Get Started: JN0-681 Exam [2021] Dumps Juniper PDF Questions
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Conclusion
Completing the Juniper JN0-681 exam is a smart move in your data networking career that will bring you the JNCIP-DC certification. Even though mastering such a test might be difficult, with the right techniques and practice, you will easily manage to do so. Thus, opt for the official training, supplement it with the study guides that can be accessed from Amazon, and obtain your designation.
NEW QUESTION 16
You work in a data center where VMs and hosts are frequently moved. Your design needs to eliminate inefficient traffic flows.
In this scenario, which two solutions will satisfy this requirement? (Choose two.)
- A. VXLAN
- B. VPLS
- C. VMTO
- D. EVPN
Answer: A,D
NEW QUESTION 17
A customer has built a VXLAN using an EVPN signaling infrastructure with remote facilities with VXLAN using EVPN signaling connected to the Internet.
The customer notices that the network is completely stable with no protocol errors in the underlay or overlay. The customer, however, cannot pass any application data across the network.
Which statement would explain the intermittent loss?
- A. The routing protocol authentication has failed.
- B. The BPDU protection is invoked.
- C. There is an LACP key mismatch.
- D. The MTU is exceeded.
Answer: B
NEW QUESTION 18
You are asked to design a deployment plan for a large number of QFX Series switches using ZTP. The ZTP deployment plan must ensure all switches are configured with their designated configuration file.
Which DHCP option and suboption combination would be used to accomplish this task?
- A. DHCP option 66 with a suboption of 00
- B. DHCP option 43 with a suboption of 01
- C. DHCP option 43 with a suboption of 00
- D. DHCP option 66 with a suboption of 01
Answer: C
NEW QUESTION 19
When using EBGP as the underlay protocol for your IP fabric architecture, which two statements are true?
(Choose two.)
- A. Spine nodes only peer to leaf nodes
- B. Spine nodes peer to both leaf and spine nodes
- C. Leaf nodes only peer to spine nodes
- D. Leaf nodes peer to both spine and leaf nodes
Answer: A,C
NEW QUESTION 20
You have deployed two data centers that require a Layer 2 stretch between host1 and host2.
Referring to the exhibit, what does a Layer 2 stretch require?
- A. A VXLAN tunnel originating on VTEP1 to VTEP2
- B. A VPLS WAN connection data centers
- C. A VXLAN tunnel originating on the Spine Layer in DC1 to the Spine Layer in DC2.
- D. A VXLAN tunnel originating on the super Spine Layer in DC1 to the Super Spine Layer in DC2
Answer: A
NEW QUESTION 21
You are establishing an IP Fabric where your QFX10002-72Q spine devices are connecting to leaf devices. Each leaf is a Virtual Chassis comprised of ten EX4300s.
What is the maximum number of leaf devices supported in this scenario?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 22
You are asked to enable plug-and-play line card switches in an active VCF without making any future Junos configuration charges. You are also required to ensure that all new line card are automatically upgrade to the correct Junos version without any manual intervention.
In this scenario, which two actions will accomplish this task? (Choose two.)
- A. Configure the auto-sw-update parameter on the VCF before inserting new line cards.
- B. Set the virtual Chassis as auto-provisioned before the line cars are inserted.
- C. Ensure that the newly instead card's MAC addresses are present in the DHCP configuration for ZTP.
- D. Set the Virtual Chassis as per-provision before the line are inserted.
Answer: A,B
NEW QUESTION 23
You are designing a network for a small data center.
In this scenario, which underlay protocol allows for the simplest implementation?
- A. IGGP
- B. EBGP
- C. OSPF
- D. MPLS
Answer: B
NEW QUESTION 24
Referring to the exhibit, each node in the IP fabric is peering to its directly attached neighbor using EBGP.
Each node is peering using physical interface IP addresses. Leaf 2 and Leaf 3 are advertising the 10.1.1/24 network into EBGP. Spine 2 must be configured so that it can load-share traffic destined to the 10 1.1/24 network over both next-hop A and next-hop B.
Which two actions must be performed to accomplish this task? (Choose two.)
- A. Use multihop.
- B. Use a load-balancing policy applied to the forwarding table.
- C. Use multipath multiple-AS.
- D. Use advertise-inactive.
Answer: B,C
NEW QUESTION 25
You are performing an in-service software upgrade (ISSU) on an QFX5100 Series device.
Which two statements are correct in this scenario? (Choose two.)
- A. The mgd process is used to validate system configuration requirements.
- B. The vccpd process is used to synchronize the state of the master RE to the new backup RE.
- C. The dcd process is used to validate system configuration requirements.
- D. The ksyncd process is used to synchronize the state of the master RE to the new backup RE.
Answer: A,D
NEW QUESTION 26
You have an EBGP-based IP Fabric.
Why do you need an export policy on each leaf in this scenario?
- A. to advertise local routes with the router reflector
- B. to accept remote server-facing IP prefixes
- C. to advertise local server-facing IP prefix
- D. to ensure a full mesh is formed between peers
Answer: C
NEW QUESTION 27
You created an IP Fabric based on IBGP. You noticed that ECMP load sharing is not working. In this scenario, what is the problem?
- A. Each member of the IP Fabric needs a different autonomous system number.
- B. BGP route reflectors only reflect the best route.
- C. ECMP load sharing is only supported on 40GbE and 100GbE interfaces.
- D. A route input policy needs to be added on all non-route reflectors to allow ECMP.
Answer: B,D
NEW QUESTION 28
A customer notices that all traffic is traveling over a single link within their partially meshed IP Fabric using IBGP. While troubleshooting, the customer notices that the configuration is missing a configuration parameter.
Which parameter would the customer use to solve this problem?
- A. multihop
- B. advertise-peer-as
- C. accept-remote-nexthop
- D. add-path
Answer: D
NEW QUESTION 29
An EVPN-signaled VXLAN overlay has been deployed in the network shown in the exhibit. Host1 is a bare metal server, and is dual-homed to the network. The IP addresses 10.1.1.1/24 and 10.1.1.2/24 are assigned to the same physical NIC, and no virtualization is configured on the server.
In this scenario, which two statements are true? (Choose two.)
- A. The ESI assigned to the host1 link must be the as the ESI assigned to the leaf2 host1 link.
- B. The MAC address associated with 10.1.1.1/24 and 10.1.1.2/24 will be same when advertised to leaf3.
- C. The connection host1 to devices leaf1 and leaf2 must be configuration a LAG.
- D. Traffic from IP address 10.1.1.1/24 must traverse the VXLAN network to reach IP address 10.1.1.2/24
Answer: A,C
NEW QUESTION 30
You are deploying a VXLAN using EVPN signaling overlay network. PE1 and PE2 are multihomed to the connected CE device.
You notice that the traffic is not load-balancing as expected.
Referring to the exhibit, which two actions will solve this problem? (Choose two.)
- A. Set the ESI on PE2 to 00:11:11:11:11:11:11:11:11:11.
- B. Set the route distinguisher on PE2 to 11.11.11.11:100.
- C. Set the LACP system ID on PE2 to 00:00:00:00:00:01.
- D. Set the ESI on both devices to 00:00:00:00:00:00:00:00:00:00.
Answer: A,C
NEW QUESTION 31
Spine 1 and Spine 2 are MX Series devices configured to act as redundant VXLAN Layer 3 Gateways using the virtual-gateway-address 10.0.1.254 statement.
Referring to the exhibit, how will a spine node react to receiving the ARP request from Host A?
- A. The spine node will send an ARP reply specifying a virtual MAC address of 00:00:5e:00:01:01.
- B. The spine node will send an ARP reply specifying the MAC address of its IRB interface.
- C. The spine node will send an ARP reply specifying the MAC address of its leaf-facing interface.
- D. The spine node will send an ARP reply specifying the MAC address of its LT interface.
Answer: B
NEW QUESTION 32
Your colleague has begun working on the base configuration for an active-active multihomed EVPN connection shown in the exhibit.
Which two actions will ensure a successful implementation? (Choose two.)
- A. Change the ESI mode on PE2 to all-active.
- B. Change the ESI value on the PE1 device to 00:22:44:66:88:00:22:44:66:88.
- C. Change the ESI mode on PE1 to single-active.
- D. Change the ESI value on the PE2 device to 00:00:00:00:00:00:00:00:00:00.
Answer: A,B
NEW QUESTION 33
You have deployed a VXLAN as shown in the exhibit Leaf1, leaf3, spine1, and spine2 have been configured as VTEPs. Host1 cannot communicate with host2.
Referring to the exhibit, how would you solve this problem?
- A. A layer 3 VXLAN gateway must be configured on at least on at least one of the devices
- B. A DCI connected must be created between the VLANs
- C. Host1 and host2 must be placed in the same VRF
- D. The VLAN ID on the connected to host2 must be changed to VLAN 100
Answer: A
NEW QUESTION 34
Referring to the exhibit, SW-3 and SW-4 have been configured for mixed-mode VCF and added to the VCF. After cabling the new devices into the VCF, you notice that SW-3 automatically joins the VCF, whereas SW-4 does not.
Why are SW-3 and SW-4 behaving this way? (Choose two.)
- A. By default, QFX5100 ports are enabled as VCPs.
- B. By default, EX4300 QSFP+ ports are enabled as VCPs.
- C. By default, QFX5100 ports are not enabled as VCPs.
- D. By default, EX4300 QSPF+ ports are not enabled as VCPs.
Answer: B,C
NEW QUESTION 35
What are the two valid types of VXLAN signaling?(Choose two.)
- A. RSTP
- B. MPLS
- C. RSVP
- D. EVPN
Answer: C,D
NEW QUESTION 36
You have configured a new MC-LAG connection to a host. After committing the configuration, the MC-LAG link is not functioning properly.
Referring to the exhibit, how would you solve this problem?
- A. Configure a system-idon qfx1 that is different from the system-idon qfx2.
- B. Change the mc-ae-idon qfx1 to 1.
- C. Configure the status-controlon qfx2 to active.
- D. Change the chassis-idon qfx1 to 1.
Answer: B
NEW QUESTION 37
You have a site with thousands of MAC addresses multihomed to two leaf nodes in an EVPN VXLAN.
In this scenario, which EVPN feature provides fast network convergence in the event of a leaf node link failure?
- A. BGP Additional Paths
- B. Bidirectional Forwarding detection
- C. Fast rerouter
- D. Ethernet Autodiscovery
Answer: D
NEW QUESTION 38
You need to add perimeter security to the network shown in the exhibit. All traffic must be inspected for attacks. The edge routers are using all available ports. Your solution must maintain both port and device resiliency.
In this scenario, which design would satisfy these requirements?
- A. inline SPX Series device using LAG
- B. one-arm SRX Series chassis cluster
- C. inline SRX Series chassis cluster
- D. one-arm SRX Series device using LAG
Answer: D
NEW QUESTION 39
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Test Prerequisites
In order to take the Professional Data Center JN0-681 exam, you must first complete the Specialist Enterprise Routing and Switching or JNCIS-ENT certificate by nailing JN0-348 validation. In addition, Juniper recommends some industrial experience in areas such as data networking, cloud services, Layer 2 switching for the Junos OS, security, and IS-IS. Also, you will have a better chance of passing the final exam with the right practice materials and training.
Juniper JN0-681 Exam Topics:
| Section | Objectives |
|---|---|
| Multichassis LAG | Describe MC-LAG concepts
Demonstrate knowledge of configuring, monitoring, or troubleshooting MC-LAG |
| EVPN VXLAN Signaling | Describe EVPN concepts
Demonstrate knowledge of configuring, monitoring, or troubleshooting EVPNs |
| Data Center Architecture and Security | Describe single tenant and multi-tenant architectures
Describe data center security concepts |
| Layer 2 Fabrics | Describe Layer 2 Fabric concepts
Demonstrate knowledge of configuring, monitoring, or troubleshooting Layer 2 Fabric technologies |
| Data Center Interconnect | Describe DCI concepts
Demonstrate knowledge of configuring, monitoring, or troubleshooting DCI |
| Layer 3 Fabrics | Describe IP Fabric concepts
Demonstrate knowledge of configuring, monitoring, or troubleshooting IP Fabrics |
| VXLAN | Describe VXLAN concepts
Demonstrate knowledge of configuring, monitoring, or troubleshooting VXLAN |
| Data Center Deployment or Management | Describe Zero Touch Provisioning concepts
Describe management or high availability concepts
|
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